Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

What is the role of JDBC driver in Sqoop?

Is JDBC driver enough to connect sqoop to the databases?

What is the work of Export in Hadoop sqoop?

Use of Codegen command in Hadoop sqoop?

Use of Help command in Hadoop sqoop?

How can you schedule a sqoop job using Oozie?

What is the importance of — the split-by clause in running parallel import tasks in sqoop?

What is a sqoop metastore?

What is ZooKeeper?

What are the Benefits Of Distributed Applications?

What are the Benefits Of Zookeeper?

What is the zookeeper daemon name?

What is Apache Zookeeper Meant For?

What is the ZooKeeper ensemble?

What are the possible Job roles?

Un-Answered Questions { Big Data }

Who divides the file into Block while storing inside hdfs in hadoop?

How do you handle compression in pig?

300

What is a IdentityMapper and IdentityReducer in MapReduce ?

637

What is driver and executor in spark?

188

Explain the Methods Of ZooKeeper class?

Explain jsonloader, jsonstorage functions in pig?

322

Why the name ‘hadoop’?

397

What is a udf?

226

What are the main components of hadoop?

227

Give the difference between Column and SuperColumn?

What are Actions? Give some examples.

225

Explain Hive Thrift server?

423

What do you mean by consistency in Cassandra?

164

Why do we need Hadoop?

238

Can you modify the file present in hdfs?

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